.vertical-center-modal{
    position:fixed;
    z-index:999999;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15%;
    .ivu-modal{
        top: 0;
    }
}
.demo-spin-icon-load{
    animation: ani-demo-spin 1s linear infinite;
}
@keyframes ani-demo-spin {
    from { transform: rotate(0deg);}
    50%  { transform: rotate(180deg);}
    to   { transform: rotate(360deg);}
}
.demo-spin-col{
    height: 100px;
    position: relative;
    text-align: center;
}